1056217412 has 24 divisors (see below), whose sum is σ = 1975077720. Its totient is φ = 492480000.

The previous prime is 1056217403. The next prime is 1056217451. The reversal of 1056217412 is 2147126501.

It can be written as a sum of positive squares in 4 ways, for example, as 293573956 + 762643456 = 17134^2 + 27616^2 .

It is a super-2 number, since 2×1056217412² = 2231190442823955488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63839 + ... + 78662.

It is an arithmetic number, because the mean of its divisors is an integer number (82294905).

Almost surely, 2^1056217412 is an apocalyptic number.

It is an amenable number.

1056217412 is a deficient number, since it is larger than the sum of its proper divisors (918860308).

1056217412 is a wasteful number, since it uses less digits than its factorization.

1056217412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142631 (or 142629 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1056217412 is about 32499.4986422868. The cubic root of 1056217412 is about 1018.3985545132.

The spelling of 1056217412 in words is "one billion, fifty-six million, two hundred seventeen thousand, four hundred twelve".